Thylacoleo carnifex
E614892
Thylacoleo carnifex was a large, extinct Australian marsupial predator, often called the “marsupial lion,” known for its powerful jaws and specialized shearing teeth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thylacoleo carnifex canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6645360 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thylacoleo carnifex Context triple: [Vombatiformes, notableExtinctMembers, Thylacoleo carnifex]
-
A.
Diprotodon
Diprotodon was a giant prehistoric marsupial, the largest known marsupial to have ever lived, that roamed Australia during the Pleistocene epoch.
-
B.
Palorchestes
Palorchestes is an extinct genus of large, herbivorous Australian marsupials, often called "marsupial tapirs" for their tapir-like snouts and robust bodies.
-
C.
Bistahieversor
Bistahieversor is a genus of large, predatory tyrannosauroid dinosaur from the Late Cretaceous of what is now New Mexico, known for its deep skull and powerful jaws.
-
D.
Carnotaurus
Carnotaurus is a large, carnivorous theropod dinosaur known for its distinctive bull-like horns, lightly built body, and extremely reduced forelimbs.
-
E.
Futalognkosaurus
Futalognkosaurus is a gigantic Late Cretaceous titanosaurian sauropod dinosaur from Patagonia, known from exceptionally complete fossil remains that make it one of the best-understood giant dinosaurs.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thylacoleo carnifex Target entity description: Thylacoleo carnifex was a large, extinct Australian marsupial predator, often called the “marsupial lion,” known for its powerful jaws and specialized shearing teeth.
-
A.
Diprotodon
Diprotodon was a giant prehistoric marsupial, the largest known marsupial to have ever lived, that roamed Australia during the Pleistocene epoch.
-
B.
Palorchestes
Palorchestes is an extinct genus of large, herbivorous Australian marsupials, often called "marsupial tapirs" for their tapir-like snouts and robust bodies.
-
C.
Bistahieversor
Bistahieversor is a genus of large, predatory tyrannosauroid dinosaur from the Late Cretaceous of what is now New Mexico, known for its deep skull and powerful jaws.
-
D.
Carnotaurus
Carnotaurus is a large, carnivorous theropod dinosaur known for its distinctive bull-like horns, lightly built body, and extremely reduced forelimbs.
-
E.
Futalognkosaurus
Futalognkosaurus is a gigantic Late Cretaceous titanosaurian sauropod dinosaur from Patagonia, known from exceptionally complete fossil remains that make it one of the best-understood giant dinosaurs.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
extinct species
ⓘ
marsupial ⓘ metatherian ⓘ predator ⓘ |
| biteForce | exceptionally high for body size ⓘ |
| bodyLength | approximately 1.5–1.75 metres ⓘ |
| bodyMass | approximately 100–160 kilograms ⓘ |
| causeOfExtinction |
climate change (hypothesized)
ⓘ
human impacts (hypothesized) ⓘ |
| class | Mammalia ⓘ |
| coexistedWith | early Aboriginal Australians ⓘ |
| commonName |
marsupial lion
ⓘ
pouched lion ⓘ |
| describedBy | Richard Owen NERFINISHED ⓘ |
| diet | carnivorous ⓘ |
| ecologicalRole | specialized mammalian carnivore ⓘ |
| extinctionStatus | extinct ⓘ |
| family | Thylacoleonidae NERFINISHED ⓘ |
| fossilSite |
Naracoorte Caves
NERFINISHED
ⓘ
Nullarbor Plain caves NERFINISHED ⓘ Riversleigh NERFINISHED ⓘ |
| genus | Thylacoleo NERFINISHED ⓘ |
| geographicDistribution |
eastern Australia
NERFINISHED
ⓘ
southern Australia ⓘ southwestern Australia NERFINISHED ⓘ |
| habitat |
open forests
ⓘ
scrublands ⓘ woodlands ⓘ |
| hasFossilEvidence |
skeletal remains
ⓘ
trackways ⓘ |
| kingdom | Animalia ⓘ |
| lastAppearance | Late Pleistocene ⓘ |
| locomotion |
climbing-capable
ⓘ
quadrupedal ⓘ |
| nativeTo | Australia ⓘ |
| notableAnatomicalFeature |
enlarged shearing premolars
ⓘ
large retractable thumb claw ⓘ powerful jaws ⓘ reduced incisors ⓘ robust forelimbs ⓘ short powerful tail ⓘ |
| order | Diprotodontia NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| preyedOn |
Diprotodon
NERFINISHED
ⓘ
giant kangaroos ⓘ large marsupials ⓘ |
| taxonRank | species ⓘ |
| temporalRange | Pleistocene ⓘ |
| trophicLevel | apex predator ⓘ |
| yearDescribed | 1859 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Thylacoleo carnifex Description of subject: Thylacoleo carnifex was a large, extinct Australian marsupial predator, often called the “marsupial lion,” known for its powerful jaws and specialized shearing teeth.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.